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J Electromagn Eng Sci > Volume 9(1); 2009 > Article
Journal of the Korean Institute of Electromagnetic and Science 2009;9(1):12-16.
DOI: https://doi.org/10.5515/JKIEES.2009.9.1.012   
A Simple Method to Reduce the Splitting Error in the LOD-FDTD Method
Ki-Bok Kong1, Myung-Hun Jeong1, Hyung-Soo Lee2, Seong-Ook Park1
1IT Convergence Campus, Korea Advanced Institute of Science and Technology
2Electronics and Telecommunication Research Institute
Abstract
This paper presents a new iterative locally one-dimensional [mite-difference time-domain(LOD-FDTD) method that has a simpler formula than the original iterative LOD-FDTD formula[l]. There are fewer arithmetic operations than in the original LOD-FDTD scheme. This leads to a reduction of CPU time compared to the original LOD-FDTD method while the new method exhibits the same numerical accuracy as the iterative ADI-FDTD scheme. The number of arithmetic operations shows that the efficiency of this method has been improved approximately 20 % over the original iterative LOD-FDTD method.
Key words: Altemating-Direction-Implicit Finite-Difference Time-Domain(ADI-FDTD), Iterative Method, Locally-One-Dimensional Finite-Difference Time-Domain(LOD-FDTD) Technique, Maxwell's Equations
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